diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index c5e69ba..c6f2ca3 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -2,7 +2,6 @@ name: Tests
 
 on:
   - push
-  - pull_request
 
 jobs:
   tests:
@@ -14,16 +13,16 @@ jobs:
         include:
           - { python: "3.10", os: "ubuntu-latest", session: "pre-commit" }
           - { python: "3.10", os: "ubuntu-latest", session: "safety" }
-          - { python: "3.10", os: "ubuntu-latest", session: "mypy" }
-          - { python: "3.9", os: "ubuntu-latest", session: "mypy" }
-          - { python: "3.8", os: "ubuntu-latest", session: "mypy" }
-          - { python: "3.7", os: "ubuntu-latest", session: "mypy" }
+          # - { python: "3.10", os: "ubuntu-latest", session: "mypy" }
+          # - { python: "3.9", os: "ubuntu-latest", session: "mypy" }
+          # - { python: "3.8", os: "ubuntu-latest", session: "mypy" }
+          # - { python: "3.7", os: "ubuntu-latest", session: "mypy" }
           - { python: "3.10", os: "ubuntu-latest", session: "tests" }
           - { python: "3.9", os: "ubuntu-latest", session: "tests" }
           - { python: "3.8", os: "ubuntu-latest", session: "tests" }
           - { python: "3.7", os: "ubuntu-latest", session: "tests" }
-          - { python: "3.10", os: "windows-latest", session: "tests" }
-          - { python: "3.10", os: "macos-latest", session: "tests" }
+          # - { python: "3.10", os: "windows-latest", session: "tests" }
+          # - { python: "3.10", os: "macos-latest", session: "tests" }
           # - { python: "3.10", os: "ubuntu-latest", session: "typeguard" }
           - { python: "3.10", os: "ubuntu-latest", session: "xdoctest" }
           - { python: "3.10", os: "ubuntu-latest", session: "docs-build" }
@@ -35,7 +34,7 @@ jobs:
 
     steps:
       - name: Check out the repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v3.0.2
 
       - name: Set up Python ${{ matrix.python }}
         uses: actions/setup-python@v4.1.0
@@ -97,14 +96,14 @@ jobs:
 
       - name: Upload coverage data
         if: always() && matrix.session == 'tests'
-        uses: "actions/upload-artifact@v3"
+        uses: "actions/upload-artifact@v3.1.0"
         with:
           name: coverage-data
           path: ".coverage.*"
 
       - name: Upload documentation
         if: matrix.session == 'docs-build'
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v3.1.0
         with:
           name: docs
           path: docs/_build
@@ -114,7 +113,7 @@ jobs:
     needs: tests
     steps:
       - name: Check out the repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v3.0.2
 
       - name: Set up Python
         uses: actions/setup-python@v4.1.0
@@ -138,17 +137,9 @@ jobs:
           nox --version
 
       - name: Download coverage data
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v3.0.0
         with:
           name: coverage-data
 
-      - name: Combine coverage data and display human readable report
-        run: |
-          nox --force-color --session=coverage
-
-      - name: Create coverage report
-        run: |
-          nox --force-color --session=coverage -- xml
-
       - name: Upload coverage report
         uses: codecov/codecov-action@v3.1.0